000 AXPZ20 KNHC 301505 TWDEP Tropical Weather Discussion NWS National Hurricane Center Miami FL 1433 UTC Sun Apr 30 2017 Tropical Weather Discussion for the eastern Pacific Ocean from the Equator to 32N, east of 140W. The following information is based on satellite imagery, weather observations, radar, and meteorological analysis. Based on 1200 UTC surface analysis and satellite imagery through 1500 UTC. ...INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... A surface trough extends from 09N84W TO 10N90W TO 10N98W to 06N106W. The ITCZ extends from 06N106W to 03N112W to 03N131W to 01N140W. Scattered moderate isolated strong convection was noted from 03N to 10N east of 88W. Scattered moderate isolated strong convection was noted within 90 nm n and 30 nm south of the trough axis between 97W and 105W. Scattered moderate isolated strong convection was noted within 120 nm north and 30 nm south of the ITCZ between 111W and 126W. ...DISCUSSION... OFFSHORE WATERS WITHIN 250 NM OF MEXICO... Latest surface observations indicate gentle to moderate winds off the coast of Baja California Norte with light to gentle winds elsewhere. Seas are in the 6-7 ft range west of the Baja California peninsula, 5-7 ft off the remainder of the coast of Mexico, and 1-3 ft over the Gulf of California. Light to gentle winds will prevail over the Gulf of California while gentle to moderate winds will prevail over the remainder of the forecast waters through Thursday. Winds will strengthen over the Gulf of Tehuantepec Thu night, bringing a start to the next expected gale force gap wind event expected to begin on Friday. OFFSHORE WATERS WITHIN 250 NM OF CENTRAL AMERICA, COLOMBIA, AND WITHIN 750 NM OF ECUADOR... Active convection will continue over the region generally south of 11N, including over the coastal sections through early this week. This persistent thunderstorm activity may cause localized flooding and mudslides over prone areas. Mainly light to gentle winds are expected through Thursday. Long period southwest swell with seas in the 5 to 7 ft range will persist over the southern waters through Thursday. REMAINDER OF THE AREA... High pressure of 1030 mb centered north of the area near 36N135W extends a ridge southeastward to near 21N116W. The pressure gradient between this area of high pressure and lower pressure in the vicinity of the ITCZ is supporting gentle to moderate winds north of the ITCZ. An area of seas reaching 9 ft in mixed northwest and southwest swell prevails north of 18N between 120W and 130W. Elsewhere seas are in the 5-7 ft range. Seas will subside below 8 ft over the northern waters by midweek. Cross equatorial southwesterly swell will bring seas to 8 ft over the far southern waters south of 02N between 110W and 120W through Monday before subsiding below 8 ft Tuesday. Elsewhere winds and seas will remain below advisory criteria. $$ AL